S
M
T
W
T
F
S
26
92°
71°
27
99°
73°
28
85°
67°
29
86°
60°
30
87°
62°
31
71°
62°
1
81°
64°
2
83°
60°
3
84°
58°
4
83°
59°
5
69°
60°
6
82°
61°
7
83°
63°
8
81°
62°
9
81°
60°
10
86°
65°
11
87°
69°
12
86°
68°
13
79°
67°
14
79°
66°
15
80°
65°
16
82°
61°
17
83°
60°
18
81°
61°
19
80°
57°
20
81°
55°
21
84°
61°
22
81°
55°
23
78°
50°
24
80°
53°
25
82°
56°
26
83°
59°
27
82°
56°
28
83°
55°
29
79°
55°
30
81°
63°
31
88°
65°
1
90°
70°
2
86°
69°
3
85°
69°
4
90°
67°
5
82°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fennimore
Fennimore's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Fennimore. See also: September | October | November.